Swing support



FIG. 1 is a side elevational view of a swing support showing my new design;

FIG. 2 is a front perspective view; and,

FIG. 3 is a rear perspective view thereof.

FIG. 2 has been shown on a reduced scale with respect to FIGS. 1 and 3. 

The ornamental design for a swing support, as shown and described. 